Study Guide And Review Math Worksheet With Answer Key - Chapter 4 Page 3
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9how many hours you ski. So, the total cost of skiing
for h hours can be written as y = 5h + 15.
ANSWER:
Study Guide and Review - Chapter 4
y = 5h + 15
Write an equation of the line that passes
16.
through the given point and has the given
slope.
SOLUTION:
20. (2, −6), slope −4
To graph the equation, plot the y-intercept (0, 1).
Then move up 1 unit and right 2 units. Plot the point.
SOLUTION:
Draw a line through the two points.
Find the y-intercept.
Write the equation in slope-intercept form.
ANSWER:
ANSWER:
y = −4x + 2
22. (5, −2), slope
SOLUTION:
Find the y-intercept.
18. SKI RENTAL Write an equation in slope-intercept
form for the total cost of skiing for h hours with one
lift ticket.
SOLUTION:
Write the equation in slope-intercept form.
The rate of $5 per hour represents the rate or slope.
The cost of the lift ticket is a constant $15, no matter
how many hours you ski. So, the total cost of skiing
for h hours can be written as y = 5h + 15.
ANSWER:
ANSWER:
y = 5h + 15
Write an equation of the line that passes
through the given point and has the given
Write an equation of the line that passes
slope.
through the given points.
20. (2, −6), slope −4
24. (−4, 3), (1, 13)
SOLUTION:
SOLUTION:
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Page 3
Find the y-intercept.
Find the slope of the line containing the given points.
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